
The Perfect Choice for Timber Window Replacement
Flush windows look great with any house style, but they are particularly popular in traditional residences. Flush sash window profiles are a great alternative to wooden windows and doors. The profile looks similar to that of timber so is sympathetic to historic styles while also incorporating modern technology.

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Flush Casement Windows that Look Like Timber
Flush windows are more popular in uPVC but recently aluminium window manufacturers have also come up with great alternatives to timber.

Flush Casement Windows Before & After
Changing from arched tops to straight and three windows to two immediately gives the house a fresh look. The lighter oak grain is a timeless choice that blends well with the brickwork.
Aluminium Flush Windows
This is a forward-thinking design that creates continuity between the internal and external living spaces and will be a popular choice for architects and specifiers in the coming years.
If you are looking for an aluminum window with a slim frame and flush sash styling, the OW80 from Origin is the answer.


Window Styles with Flush Frames
Choose mitred or traditional square butt welded joints and further personalise your windows with Georgian or Astragal bars. Available in a wide range of colours and finishes, including wood grains and a dual-tone option if you prefer white inside.
Doors with Flush Sash Frames
There’s a lot to think about but don’t worry. We’ll advise you so that you choose the best Flush casement windows and doors for your home.
Image is of Sheerline’s aluminium bifold doors.

Flush Casement Windows and Doors Gallery
Flush casement windows differ from other types of windows primarily in their design and appearance. Here are some key distinctions between flush casement windows and other window types:
Flush Design:
The defining characteristic of flush casement windows is their flush appearance when closed. This means that the sash (the part of the window that holds the glass) sits level with the outer frame, creating a smooth and flat surface on both the interior and exterior sides of the window.
Traditional Aesthetics:
Flush casement windows often have a more traditional or classic aesthetic. They are designed to replicate the appearance of traditional timber windows and are well-suited for homes with a vintage or period style.
No Protruding Sash:
Unlike other window types, such as storm windows or lipped casement windows, flush casement windows don’t have a protruding sash. This contributes to their sleek and unobtrusive look.
Versatility in Materials:
While traditional flush casement windows were commonly made of timber, modern versions are available in various materials, including uPVC, aluminium, and composite materials. This allows homeowners to choose a material that suits their preferences in terms of aesthetics, durability, and maintenance requirements.
Energy Efficiency and Security:
Like other contemporary window types, flush casement windows are energy efficient and are equipped with modern security features such as multi-point locking systems, enhancing the overall safety of the home.
Low Maintenance:
uPVC and aluminium couldn’t get much easier to maintain, but with flush casement windows you don’t have grooves or nooks and crannies to clean. Just a wipe over with a damp cloth is all you’ll need.
Contemporary Variations:
While flush casement windows are often associated with traditional designs, there are also contemporary variations available. These may feature sleek lines, minimalist hardware, and other elements that cater to modern architectural styles.
Choice of Glazing Options:
Homeowners can choose from various glazing options to meet their insulation and privacy requirements. Double glazing or even triple glazing may be incorporated into flush casement windows for enhanced thermal performance.
Customization Options:
Flush casement windows offer a range of customisation options, allowing homeowners to select finishes, colours, and hardware that align with their aesthetic preferences and complement the overall design of the home.
It’s important to note that the specific characteristics of flush casement windows can vary depending on the manufacturer and the materials used. We’ll help you consider features such as architectural style, and functional requirements when choosing between different window types.
Cleaning your flush casement windows is a simple task that can be done in a few steps. Here’s a general guideline:
1. Materials Gathering: Firstly, make sure you have all the necessary materials. You will need a bucket with warm, soapy water (a mild detergent will do), a soft sponge or cloth, a vacuum, aglass cleaner, and a dry soft cloth for polishing.
2. Initial Clean: Open your windows to brush or vacuum any dust, cobwebs, and debris out of the window frame and sill. This step is crucial to prevent scratching your windows when you start the wet cleaning process.
3. Cleaning the Glass: Spray the glass cleaner onto the window pane. Alternatively, you can also dip your sponge in the soapy water and apply it to the glass. Be sure to clean the glass in a circular motion to avoid streaks. Wipe it clean and polish it with a dry, soft cloth or paper towel until streak-free.
4. Cleaning the Frames: Dip the soft sponge or cloth into the soapy water, and wring it out to avoid excessive water. Wipe down the window frame and sill. Be gentle to avoid scratching the frame. If the windows are extremely dirty, it may be beneficial to repeat this process a few times until all dirt and grime have been removed.
5. Drying: Once the glass and frame are clean, wipe off any excess water with a dry cloth and then leave the window open to allow the frame to air dry completely.
6. Hardware Cleaning**: Don’t forget to clean and polish the window’s hardware – this includes the handles, hinges, and locks. A mild detergent and warm water solution should do the trick. After cleaning the hardware, dry it thoroughly to prevent any moisture damage.
7. Regular Care: To maintain your windows, ensure to clean them every few months. Regular care will ensure your windows function smoothly and look great for years to come.
Yes, all other things being equal, flush windows will be slightly more expensive.
The cost of flush casement windows can vary greatly depending on various factors such as the size, material, glazing type, finish, and hardware options. Typically, they can be slightly more expensive than standard casement windows.
However, it’s important to factor in the long-term benefits, such as their aesthetic appeal, durability, and potential to increase property value. They are often worth the investment for many homeowners, especially in traditional or conservation properties.


Window Choices
There are two major choices to make when considering windows for your home. The material – aluminium or uPVC, and the Glazing – double-glazing or triple-glazing. Both affect the performance and the price. We love all of the options so will offer unbiased advice.